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The two peptides share the copper-tripeptide structure, so a degree of read-across is biologically reasonable but "GHK-Cu does X, therefore AHK-Cu does X" is an inference, not a finding
Feke says
Biotin (Vitamin B7) Injection is a sterile solution intended for intramuscular (IM) or intravenous (IV) administration
A low level of these nutrients can slow down B12s effectiveness
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